Bicycle crank



FIG. 1 is a perspective view of the bicycle crank in accordance with my new design;

FIG. 2 is an outside elevational view of the bicycle crank in accordance with my new design;

FIG. 3 is an inside elevational view of the bicycle crank in accordance with my new design;

FIG. 4 is a top plan view of the bicycle crank in accordance with my new design;

FIG. 5 is a bottom plan view of the bicycle crank in accordance with my new design;

FIG. 6 is a left side elevational view of the bicycle crank in accordance with my new design; and,

FIG. 7 is a right end elevational view of the bicycle crank in accordance with my new design. 

The ornamental design for a bicycle crank, as shown and described. 